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Home >> GMC >> 2004 >> Sierra 2500, 4D Pickup, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Knock Sensor (KS) Replacement >> Installation Procedure

Installation Procedure

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  1. Install the knock sensor (2).
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the knock sensor bolt (1).

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    3. Fig 1: Locating Knock Sensor & Retaining Bolt
    GM679284Courtesy of GENERAL MOTORS CORP.
  3. Connect the knock sensor electrical connector (1).
    4. Fig 2: View Of Ground Strap And CMP & Fuel Pump/Oil Pressure Sensor Connectors
    GM782680Courtesy of GENERAL MOTORS CORP.
  4. Install the distributor. Refer to Distributor Replacement .
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